Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines SUM-150153

€1,899.00

Crate Engine, Long Block, Chevy LS, 5.3L/323, Gen 3, 24x Crank Reluctor, Aluminum Heads, Small Block, Each

Overview

Brand: Summit Racing

Manufacturer’s Part Number: SUM-150153

Part Type: Crate Engines

Product Line: Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines

Summit Racing Part Number: SUM-150153

Crate Engine Family: Chevy LS

Actual Engine Displacement: 5.3L/323

Crate Engine Cylinder Head Material: Aluminum

Engine Block Material: Cast iron

Advertised Compression Ratio: 10.0:1

Assembled: Yes

Engine Balance: Internal

Cam Style: Hydraulic roller, OE roller

Rear Main Seal Style: 1-piece

Intake Manifold Included: No

Cylinder Heads Included: Yes

Carburetor Included: No

Throttle Body Included: No

Distributor Included: No

Oil Pan Included: No

Valve Covers Included: No

Timing Cover Included: No

Water Pump Included: No

Harmonic Balancer Included: No

Flexplate Included: No

Flywheel Included: No

Air Cleaner Included: No

Spark Plugs Included: No

Spark Plug Wires Included: No

Computer Included: No

Wiring Harness Included: No

Supercharger Included: No

Remanufactured: Yes

Quantity: Sold individually.

Notes:

Not for 2007 and later trucks with Gen 4 engines. Exhaust and injector upgrades (about 36 lbs./hr. injectors for naturally aspirated) are recommended for optimal performance. ECU tuning is required. This engine includes a 1999-2007 Chevy Truck LM7 oil pump tube. If an aftermarket or different OEM oil pan is used, the appropriate oil pump pickup must be changed to match the pan. Do not re-use valve covers with plastic baffles. Leftover debris could damage engine. Not intended for marine use.

Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines

Looking for big LS engine power at an affordable price? Summit Racing™ remanufactured 5.3L LS long block crate engines are rated at 450 HP and 420 lbs.-ft. torque! This engine will give you the performance and drivability you have been searching for at a price you can afford. It can be a performance upgrade for 99-07 Chevy trucks, or an engine swap into your project vehicle. You will save time and money by leaving the machine-work and assembly to us. Just bolt on your accessories and drop it in. These engines are machined and assembled for us by the guys at ATK, and backed with a 2-year unlimited mile warranty for peace of mind.

Technical specifications:

* Horsepower: 450+
* Torque: 420+
* Block: Seasoned OE LM7/5.3L iron
* Bore/stroke: 3.800-3.820 in. x 3.622 in.
* Year range: 1999-2007
* Displacement: 323 C.I.D.
* Crankshaft: OEM GM 3.622 in. stroke internally balanced 24-tooth reluctor wheel
* Connecting Rods: OE GM forged powder metal 6.093 in.
* Pistons: Hypereutectic flat top
* Piston rings: Moly
* Compression ratio: 10:1 compression
* Camshaft: Summit Racing Pro LS Roller
* Camshaft specifications: Lift- 550/550, Duration @.050- 222/232
* Camshaft bearings: Installed and clocked to OEM position
* Cylinder heads: #799 or #243 OE aluminum 64cc 2.00 in./1.55 in. valves
* Freeze plugs: Brass installed and sealed
* Rocker arms: OE powdered metal 1.7 ratio
* Oil Galley plugs: Installed and sealed

MAECENAS IACULIS

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ADIPISCING CONVALLIS BULUM

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Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines SUM-150153

Overview

Reviews

MAECENAS IACULIS

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Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines SUM-150153

Overview

Reviews

MAECENAS IACULIS

ADIPISCING CONVALLIS BULUM

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